638409103628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1\times {\mathrm{334427}}^1$

素因数の和:334934

約数の個数: 48

約数和(自身を含む): 1203459223680

約数和(自身を除く): 565050120052

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 419, 838, 1139, 1676, 2278, 4556, 7123, 14246, 28073, 28492, 56146, 112292, 334427, 477241, 668854, 954482, 1337708, 1908964, 5685259, 11370518, 22406609, 22741036, 44813218, 89626436, 140124913, 280249826, 380912353, 560499652, 761824706, 1523649412, 2382123521, 4764247042, 9388369171, 9528494084, 18776738342, 37553476684, 159602275907, 319204551814, 638409103628]

約数ペア:

[(1, 638409103628), (2, 319204551814), (4, 159602275907), (17, 37553476684), (34, 18776738342), (67, 9528494084), (68, 9388369171), (134, 4764247042), (268, 2382123521), (419, 1523649412), (838, 761824706), (1139, 560499652), (1676, 380912353), (2278, 280249826), (4556, 140124913), (7123, 89626436), (14246, 44813218), (28073, 22741036), (28492, 22406609), (56146, 11370518), (112292, 5685259), (334427, 1908964), (477241, 1337708), (668854, 954482)]